feat: Add operations view components for logs, overview, security, and stats

- Implemented `ops-view-logs` for displaying and filtering logs with streaming capabilities.
- Created `ops-view-overview` to show server, email, DNS statistics, and charts.
- Developed `ops-view-security` for monitoring security metrics, blocked IPs, and authentication attempts.
- Added `ops-view-stats` to present comprehensive statistics on server, email, DNS, and security metrics.
- Introduced shared styles and components including `ops-sectionheading` for consistent UI.

ts_web/elements/shared/ops-sectionheading.ts

@@ -0,0 +1,42 @@
+import {
+  DeesElement,
+  css,
+  cssManager,
+  customElement,
+  html,
+  type TemplateResult
+} from '@design.estate/dees-element';
+
+@customElement('ops-sectionheading')
+export class OpsSectionHeading extends DeesElement {
+  public static styles = [
+    cssManager.defaultStyles,
+    css`
+      :host {
+        display: block;
+        margin-bottom: 24px;
+      }
+
+      .heading {
+        font-family: 'Cal Sans', 'Inter', sans-serif;
+        font-size: 28px;
+        font-weight: 600;
+        color: #111;
+        margin: 0;
+        padding: 0;
+      }
+
+      :host([theme="dark"]) .heading {
+        color: #fff;
+      }
+    `,
+  ];
+
+  public render(): TemplateResult {
+    return html`
+      <h1 class="heading">
+        <slot></slot>
+      </h1>
+    `;
+  }
+}